Rit þess (konunglega) íslenzka Lærdómslistafélags - 01.01.1789, Page 67

Rit þess (konunglega) íslenzka Lærdómslistafélags - 01.01.1789, Page 67
J. J. Um tJaUatmá!. 67 SOícrf! a) ^jefj |Tt)UPu ntetm ávaflt gceta, at fcceDaritna rtft 6eint af bottti upp, fwo (mcrius ttteí)in fjettnar, par (jítti fcllc at botni, f¥apii rétt í;orn. — b) Drfof (joarfpri et gt)ííbir at mceía fíacE □ fettt rétt □ §. 31. ntcb ficim ficetti at tttarg* faiDa fantati í;IiDarnar a b og a c (Fig. 10.) eDr c d 01) d b, cr auDfén af f>eí $. 6. ritat cr ttm (jorna&reptni minDa; fjoí ef ttocfc VÍiiDi tttceía □ ABCD Fig. 3. meD fjot at margfdDa fatttan bltöarttar A B og B D, fengi (jatttt flcerD □ EFCD, fem er tttifiu ftcerri cnti □ ABCD, farfpri, riiie tnemt fá (Htnti rétta oogfl □ ABCD, (dpti (jantt at Draga frant (diDina A B fo fem í I, fo frá I geti Itna (jallalatifi failit i (jornif C, fo fent ítnan I C. 9Jiseí (>ana og itiarg* faiö meö línunni C D, og ttppfétttr rétt flcerb □ I K CD, fmcr at cr jafn at oegfti □ ABCD. 5í fontu refuttt er og Brjgöc mceitngar fjáttr flióffjprnbra A §. 36. fiac A ntceiaj at minDttDum □ fattta eDlie, t. D.: fíacfftprnDr A af fíacf'fpprnöunt □, og rítt* ^rnöc af r£tt()t)ttiDuni §. 22. §. 39- b) @facf= marð'Jjijrnínga, fwo fcm: fíacf* ftmnis fejc > ()t)rmnga, fieic tnadaj meD eittgu móti pDru emt meD A Deilíngu, ft)ri fíacfs Q 2 ^rtyi

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Rit þess (konunglega) íslenzka Lærdómslistafélags

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